thread_safety.5 (2010 09)

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thread_safety(5) thread_safety(5)

dn_expand() endhostent() endnetent() endprotoent()

endservent() get_resfield() gethostbyaddr() gethostbyname()

gethostent() getmsg() getnetbyaddr() getnetbyname()

getnetent() getpeername() getpmsg() getprotobyname()

getprotobynumber() getprotoent() getservbyname() getservbyport()

getservent() getsockname() getsockopt() herror()

inet_addr() inet_lnaof() inet_makeaddr() inet_netof()

inet_network() inet_ntoa() isastream() listen()

msync() net_aton() net_ntoa() poll()

putmsg() putpmsg() rcmd() recv()

recvfrom() recvmsg() res_init() res_mkquery()

res_query() res_search() res_send() rexec()

rresvport() ruserok() sbrk() send()

sendfile() sendmsg() sendto() set_resfield()

sethostent() setnetent() setprotoent() setservent()

setsockopt() shutdown() socket() socketpair()

Async Signal Safe

All the following interfaces are Async Signal Safe:

_exit() accept() access() alarm()

bind() cfgetispeed() cfgetospeed() cfsetispeed()

cfsetospeed() chdir() chmod() chown()

close() connect() creat() dup()

dup2() execle() execve() fcntl()

flock() fpathconf() fstat() getegid()

geteuid() getgid() getgroups() getmsg()

getpeername() getpgrp() getpid() getpmsg()

getppid() getsockname() getsockopt() getuid()

isastream() kill() link() listen()

lseek() memset() mkdir() mkfifo()

msync() net_aton() net_ntoa() open()

pathconf() pause() pipe() poll()

putmsg() putpmsg() raise() read()

recv() recvfrom() recvmsg() rename()

rmdir() send() sendfile() sendmsg()

sendto() setgid() setpgid() setsid()

setsockopt() setuid() shutdown() sigaction()

sigaddset() sigdelset() sigemptyset() sigfillset()

sigismember() signal() sigpending() sigprocmask()

sigqueue() sigsuspend() sleep() socket()

socketpair() stat() sysconf() tcdrain()

tcflow() tcflush() tcgetattr() tcgetpgrp()

tcsendbreak() tcsetattr() tcsetpgrp() time()

times() umask() uname() unlink()

utime() wait() waitpid() write()

NOTE:

isastream() is not Async Signal Safe in a UNIX 2003 conformant application.

Async Cancel Safe

All the following interfaces are Async Cancel Safe:

a64l() abs() accept()

addmntent() atof() atoi()

atol() bcmp() bcopy()

bind() bsearch() bzero()

cfgetispeed() cfgetospeed() cfsetispeed()

cfsetospeed() connect() div()

execv() execve() ffs()

fnmatch() fsetaclentry() ftok()

getclock() getmsg() getpeername()

HP-UX 11i Version 3: September 2010 − 3 − Hewlett-Packard Company 3